Since this is only evident in a comment, I'll post a comment under this question. [FAQ] should direct you to the current site's FAQ.

EDIT: Now a feature-request to have [faq] default to current site's FAQ, and [meta-faq] always point to the meta FAQ for both the actual site and its meta. I'm not particularly fussed either way but it seems the more logical way for a default "faq" link to work.

EDIT 2: Actually, now that I think about it, it'd be hard to pick a syntax for linking to the normal site FAQ which applies to all sites (e.g you'd have to start using [so-faq], [sf-faq] or simlar styles). So I'm happy to concede this one. Retagged as discussion.

That's nice to know and all, but.. really? Do we really want [faq] to not point to the faq of the site the comment is posted on? I'm happy to have no as an answer, but this just turned into a [feature-request].
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darvids0nFeb 3 '12 at 4:53

2

Not really. The meta site is about the main site, and the FAQ's for each are different. Users should be able to quickly link to either FAQ, and the current syntax is the most straightforward and logical way to do it as it matches the rest of the syntax for automated things.
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animuson♦Feb 3 '12 at 4:55

+1 I agree it's straightforward, but since it's not obvious that autolinking even exists, I would opt for the most logical default behaviour. Which is that [faq] is equivalent to clicking the "faq" button at the top of the page.
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darvids0nFeb 3 '12 at 4:57